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- 'use strict';
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- var _path;
- function _load_path() {
- return _path = _interopRequireDefault(require('path'));
- }
- var _fs;
- function _load_fs() {
- return _fs = _interopRequireDefault(require('fs'));
- }
- var _constants;
- function _load_constants() {
- return _constants = require('./constants');
- }
- function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
- /**
- * Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
- *
- */
- const isFile = filePath => (_fs || _load_fs()).default.existsSync(filePath) && !(_fs || _load_fs()).default.lstatSync(filePath).isDirectory();
- exports.default = (pathToResolve, cwd) => {
- if (!(_path || _load_path()).default.isAbsolute(cwd)) {
- throw new Error(`"cwd" must be an absolute path. cwd: ${cwd}`);
- }
- const absolutePath = (_path || _load_path()).default.isAbsolute(pathToResolve) ? pathToResolve : (_path || _load_path()).default.resolve(cwd, pathToResolve);
- if (isFile(absolutePath)) {
- return absolutePath;
- }
- // This is a guard against passing non existing path as a project/config,
- // that will otherwise result in a very confusing situation.
- // e.g.
- // With a directory structure like this:
- // my_project/
- // packcage.json
- //
- // Passing a `my_project/some_directory_that_doesnt_exist` as a project
- // name will resolve into a (possibly empty) `my_project/package.json` and
- // try to run all tests it finds under `my_project` directory.
- if (!(_fs || _load_fs()).default.existsSync(absolutePath)) {
- throw new Error(`Can't find a root directory while resolving a config file path.\n` + `Provided path to resolve: ${pathToResolve}\n` + `cwd: ${cwd}`);
- }
- return resolveConfigPathByTraversing(absolutePath, pathToResolve, cwd);
- };
- const resolveConfigPathByTraversing = (pathToResolve, initialPath, cwd) => {
- const jestConfig = (_path || _load_path()).default.resolve(pathToResolve, (_constants || _load_constants()).JEST_CONFIG);
- if (isFile(jestConfig)) {
- return jestConfig;
- }
- const packageJson = (_path || _load_path()).default.resolve(pathToResolve, (_constants || _load_constants()).PACKAGE_JSON);
- if (isFile(packageJson)) {
- return packageJson;
- }
- // This is the system root.
- // We tried everything, config is nowhere to be found ¯\_(ツ)_/¯
- if (pathToResolve === (_path || _load_path()).default.dirname(pathToResolve)) {
- throw new Error(makeResolutionErrorMessage(initialPath, cwd));
- }
- // go up a level and try it again
- return resolveConfigPathByTraversing((_path || _load_path()).default.dirname(pathToResolve), initialPath, cwd);
- };
- const makeResolutionErrorMessage = (initialPath, cwd) => {
- return 'Could not find a config file based on provided values:\n' + `path: "${initialPath}"\n` + `cwd: "${cwd}"\n` + 'Config paths must be specified by either a direct path to a config\n' + 'file, or a path to a directory. If directory is given, Jest will try to\n' + `traverse directory tree up, until it finds either "${(_constants || _load_constants()).JEST_CONFIG}" or\n` + `"${(_constants || _load_constants()).PACKAGE_JSON}".`;
- };
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